2152738872 has 48 divisors (see below), whose sum is σ = 5843017440. Its totient is φ = 716018688.

The previous prime is 2152738871. The next prime is 2152738873. The reversal of 2152738872 is 2788372512.

2152738872 is a `hidden beast` number, since 21 + 527 + 38 + 8 + 72 = 666.

It is an interprime number because it is at equal distance from previous prime (2152738871) and next prime (2152738873).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2152738871) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1048 + ... + 65624.

It is an arithmetic number, because the mean of its divisors is an integer number (121729530).

Almost surely, 2^2152738872 is an apocalyptic number.

It is an amenable number.

2152738872 is an abundant number, since it is smaller than the sum of its proper divisors (3690278568).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2152738872 is a wasteful number, since it uses less digits than its factorization.

2152738872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65052 (or 65045 counting only the distinct ones).

The product of its digits is 376320, while the sum is 45.

The square root of 2152738872 is about 46397.6170939845. The cubic root of 2152738872 is about 1291.2107039968.

The spelling of 2152738872 in words is "two billion, one hundred fifty-two million, seven hundred thirty-eight thousand, eight hundred seventy-two".